From efe7c4277539398cf786e187f236d52cb3610d4b Mon Sep 17 00:00:00 2001
From: Vladislav Vaintroub <wlad@mariadb.com>
Date: Tue, 29 Sep 2020 17:52:38 +0200
Subject: [PATCH] Fix MSVC build

Don't use GCC-specific extensions

Fixes #3348
---
 wolfssl/wolfcrypt/wc_port.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wolfssl/wolfcrypt/wc_port.h b/wolfssl/wolfcrypt/wc_port.h
index b63c1a603..8ca669579 100644
--- a/wolfssl/wolfcrypt/wc_port.h
+++ b/wolfssl/wolfcrypt/wc_port.h
@@ -158,8 +158,8 @@
 #else /* ! WOLFSSL_LINUXKM */
 
     #ifdef BUILDING_WOLFSSL
-        #define SAVE_VECTOR_REGISTERS() ({})
-        #define RESTORE_VECTOR_REGISTERS() ({})
+        #define SAVE_VECTOR_REGISTERS() do{}while(0)
+        #define RESTORE_VECTOR_REGISTERS() do{}while(0)
     #endif
 
 #endif /* WOLFSSL_LINUXKM */